Description
| Manufacturer | Geissele Automatics |
|---|---|
| WEIGHT | Approx. 5.7 lbs |
| Caliber | 300 Blackout |
| Barrel | 8″ Cold Hammer Forged (CHF), Chrome Lined |
| Trigger | SSA-E with Lightning Bow (Two-Stage) |
| Muzzle Device | HUXWRX Flash Hider-QD |
| Classification | SBR (Short Barreled Rifle) – NFA Rules Apply |
Optimized for Suppressed Mission Profiles
The Super Duty MOD1 8″ .300 Blackout is built to deliver superior terminal ballistics in a compact, concealable package. As a premier provider for government clients, PAI Defense ensures that these systems are configured for maximum reliability. The 300 Blackout chambering, combined with an 8″ Cold Hammer Forged barrel, provides the ideal dwell time for both subsonic and supersonic munitions, especially when paired with modern suppression systems.
Core Technical Advantages
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Nanoweapon® Reliability Enhanced BCG: Featuring a bolt carrier group treated with Geissele’s proprietary Nanoweapon coating. This surface technology provides extreme hardness and permanent dry lubricity, ensuring the rifle cycles reliably under the increased backpressure typical of suppressed use.
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SSA-E with Lightning Bow: Equipped with the Super Semi-Automatic Enhanced (SSA-E) trigger. This two-stage trigger provides a crisp, predictable break, allowing operators to maintain precision in high-stress environments while ensuring a high level of safety.
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Optimized Gas Dynamics: Utilizing a pistol-length gas system and the “Bomb-proof” Super Gas Block, the MOD1 8″ is tuned for consistent cycling. The system is further stabilized by the Super 42 braided wire buffer spring and an H3 buffer to manage the specific pressure curves of the .300 Blackout cartridge.
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Modular Architecture: The 7″ MK16 Super Modular Rail features a center tab to prevent rail rotation, providing a rigid platform for lasers, lights, and night vision optics.
PAI Defense: Professional Procurement & Support
We specialize in the administrative and technical requirements of state and federal defense contracts. PAI Defense utilizes corporate-level verbage and precise technical auditing to ensure all equipment meets agency-specific standards. Beyond the initial acquisition, we offer complete lifecycle support for all Geissele systems.







